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The X-NUCLEO-S2868A1 expansion board is based on the S2-LP radio and operates in the 868 MHz ISM frequency band.
The expansion board is compatible with ST morpho and Arduino UNO R3 connectors.
The X-NUCLEO-S2868A1 interfaces with the STM32 Nucleo microcontroller via SPI connections and GPIO pins. You can change some of the GPIOs by mounting or removing the resistors.Key Features
- Based on S2-LP radio
- S2-LP narrow band ultra-low power sub-1 GHz transceiver tuned for 860 - 940 MHz frequency band
- Programmable RF output power up to +16 dBm
- Modulation schemes: 2-FSK, 2-GFSK, 4-FSK, 4-GFSK, OOK and ASK
- Air data rate from 0.1 to 500 kbps
- Ultra-low power consumption: 7 mA RX and 10 mA TX at +10 dBm
- IEEE 802.15.4g hardware packet support with whitening, FEC, CRC and dual SYNC word detection
- RX and TX 128 byte FIFO buffers
- Support to wireless M-Bus
- Excellent performance of receiver sensitivity (up to -130 dBm)
- Automatic acknowledgement, retransmission and timeout protocol engine
- Compatible with STM32 Nucleo boards
- Compatible with Arduino UNO R3 connectors
- Support to SMD and SMA antennas
- BALF-SPI2-01D3 IPD balun for matching network and harmonics filter
- Sigfox compatible
- Sample firmware for P2P communication
- 6LoWPAN compatible thanks to STM32Cube
- RoHS compliant
Sample & Buy
| Part Number | Marketing Status | Core Product | Board production status | Budgetary Price (US$)* | Quantity | ECCN (US) | Country of Origin | Order from Distributors | Order from ST |
|---|---|---|---|---|---|---|---|---|---|
| X-NUCLEO-S2868A1 |
Active
|
S2-LP, BALF-SPI2-01D3 | Stock available | 37.5 | 1 | EAR99 | ITALY | Check Availability | Buy now |
(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office  or our Distributors
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Embedded Software
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Picture Part number Manufacturer Description 
STSW-S2LP-DK ST Evaluation SW package based on S2-LP 
STSW-S2LP-SFX-DK ST Evaluation SW package based on S2-LP 
STSW-WMBUS-GUI ST GUI for wireless M-Bus stack evaluation of ST Sub-1GHz devices Part NumberEvaluation SW package based on S2-LP
Evaluation SW package based on S2-LP
GUI for wireless M-Bus stack evaluation of ST Sub-1GHz devices
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Picture Part number Manufacturer Description 
FP-ATR-SIGFOX1 ST STM32Cube function pack for IoT tracker node with Sigfoxâ„¢ connectivity, Bluetooth connectivity and sensors 
X-CUBE-SFXS2LP1 ST Sigfox software expansion for STM32Cube based on S2-LP 
X-CUBE-SUBG1 ST Sub-1 GHz RF communication software expansion for STM32Cube Part NumberSTM32Cube function pack for IoT tracker node with Sigfoxâ„¢ connectivity, Bluetooth connectivity and sensors
Sigfox software expansion for STM32Cube based on S2-LP
Sub-1 GHz RF communication software expansion for STM32Cube
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Evaluation Tools
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Picture Part number Manufacturer Description 
NUCLEO-F401RE ST STM32 Nucleo-64 development board with STM32F401RE MCU, supports Arduino and ST morpho connectivity 
NUCLEO-L053R8 ST STM32 Nucleo-64 development board with STM32L053R8 MCU, supports Arduino and ST morpho connectivity 
NUCLEO-L152RE ST STM32 Nucleo-64 development board with STM32L152RE MCU, supports Arduino and ST morpho connectivity Part NumberSTM32 Nucleo-64 development board with STM32F401RE MCU, supports Arduino and ST morpho connectivity
STM32 Nucleo-64 development board with STM32L053R8 MCU, supports Arduino and ST morpho connectivity
STM32 Nucleo-64 development board with STM32L152RE MCU, supports Arduino and ST morpho connectivity
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| Part Number | Marketing Status | RoHS Compliance Grade | Material Declaration** |
|---|---|---|---|
| X-NUCLEO-S2868A1 |
Active
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Ecopack2 |
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X-NUCLEO-S2868A1
Package:
Ecopack2Material Declaration**:
(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.
